Is your Sapphire 370 not drawing chemical?

[Mikey P]

 

[SamIam]

O ring on outbound check vakve

 

[SamIam]

Oring and Teflon seat I've seen a few spring go out too

 

[Jimmy L]

Just one of the reasons many have just shut off a chemical draw and water rinse : )

 

[bob vawter]

Plumb a Dema proportional valve into the draw system